Converts a RAW value into a character string consisting
of an even number of hexadecimal digits (0 through 9 and A through F).
     
    Syntax
      
      
      
        
          - 
            expression
          
 
          - A RAW expression containing the value you want to convert. If
the expression is the Unknown value (?), the result is
the Unknown value (?). If the expression is a zero-length
value, the result is a zero-length value.
 
        
      
     
    Example
      
      The
following code fragment illustrates how to use the HEX-ENCODE function:
      
          
          
            
              
                DEFINE VARIABLE MyUUID AS RAW       NO-UNDO.
DEFINE VARIABLE vChar  AS CHARACTER NO-UNDO.
ASSIGN
  MyUUID = GENERATE-UUID
  vChar  = HEX-ENCODE(MyUUID). 
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